<div class="list-group" ng-show="nav.user">
    <a route="/.user" class="list-group-item">用户列表</a>
    <a route="/.user.add"  class="list-group-item">添加用户</a>
</div>
<div class="list-group" ng-show="nav.system">
    <a route="/.system" class="list-group-item">系统设置</a>
    <a route="/.advertising" class="list-group-item">广告位</a>
    <a route="/.advertising.add" class="list-group-item">添加广告位</a>
</div>

